/Engine/Source/Runtime/Experimental/ChaosCore/Public/Chaos/ImplicitQRSVD.h
This function does something like c s 0 A ( -s c 0 ) -> A 0 0 1 It only affects column i and column k of A.
void ColumnRotation ( [PMatrix](API\Runtime\Chaos\Chaos\PMatrix)< T, 2, 2 > & A ) const